<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  
  <script>
    // var box = '内123容'
    // box = 'qwer'

    // console.log( box )

    // var uname = 'zs'
    // var age = 18
    // var address = '武汉'
    // var info = '吃饭'

    // console.log(uname, age, address, info)

    var box = prompt('请输入姓名')

    console.log(box)
  </script>
</body>
</html>